Prism Bar Set: Horizontal & Vertical (product code: PBSHV)

• Horizontal Bar (range: 1, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 25, 30, 35, 40, 45)
• Vertical Bar (range: 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 25)
• Excellent for measuring:
  Fusional reserves - which can help in your diagnosis of binocular vision problems.
  Phorias & squints - which can improve the accuracy of your estimations & monitoring
• Prism dioptre scale clearly marked and easy to see
• Value range set. Comes with custom-made case.